Commit Graph

916217 Commits

Author SHA1 Message Date
Linus Torvalds
3d29cb17ba block-5.7-2020-04-24
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Merge tag 'block-5.7-2020-04-24' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "A few fixes/changes that should go into this release:

   - null_blk zoned fixes (Damien)

   - blkdev_close() sync improvement (Douglas)

   - Fix regression in blk-iocost that impacted (at least) systemtap
     (Waiman)

   - Comment fix, header removal (Zhiqiang, Jianpeng)"

* tag 'block-5.7-2020-04-24' of git://git.kernel.dk/linux-block:
  null_blk: Cleanup zoned device initialization
  null_blk: Fix zoned command handling
  block: remove unused header
  blk-iocost: Fix error on iocost_ioc_vrate_adj
  bdev: Reduce time holding bd_mutex in sync in blkdev_close()
  buffer: remove useless comment and WB_REASON_FREE_MORE_MEM, reason.
2020-04-24 12:44:19 -07:00
Linus Torvalds
da5de55d17 A few tracing fixes:
- Two fixes that fix memory leaks detected by kmemleak
  - Removal of some dead code
  - A few local functions turned to static
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Merge tag 'trace-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "A few tracing fixes:

   - Two fixes for memory leaks detected by kmemleak

   - Removal of some dead code

   - A few local functions turned static"

* tag 'trace-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Convert local functions in tracing_map.c to static
  tracing: Remove DECLARE_TRACE_NOARGS
  ftrace: Fix memory leak caused by not freeing entry in unregister_ftrace_direct()
  tracing: Fix memory leaks in trace_events_hist.c
2020-04-24 12:39:21 -07:00
Rafael J. Wysocki
0db0d142e2 Merge branch 'acpi-pci'
* acpi-pci:
  ACPI/PCI: pci_link: use extended_irq union member when setting ext-irq shareable
2020-04-24 21:03:57 +02:00
Linus Torvalds
4544db3f84 - Ensure context synchronisation after a write to APIAKey.
- Fix bullet list formatting in Documentation/arm64/amu.rst to eliminate
   doc warnings.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Ensure context synchronisation after a write to APIAKey.

 - Fix bullet list formatting in Documentation/arm64/amu.rst to
   eliminate doc warnings.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  Documentation: arm64: fix amu.rst doc warnings
  arm64: sync kernel APIAKey when installing
2020-04-24 11:34:43 -07:00
Rafael J. Wysocki
4bee16d7cc Merge branch 'pm-tools'
* pm-tools:
  pm-graph v5.6
2020-04-24 20:34:36 +02:00
Linus Torvalds
b9916af776 Kbuild fixes for v5.7
- fix scripts/config to properly handle ':' in string type CONFIG options
 
  - fix unneeded rebuilds of DT schema check rule
 
  - git rid of ordering dependency between <linux/vermagic.h> and
    <linux/module.h> to fix build errors in some network drivers
 
  - clean up generated headers of host arch with 'make ARCH=um mrproper'
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Merge tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix scripts/config to properly handle ':' in string type CONFIG
   options

 - fix unneeded rebuilds of DT schema check rule

 - git rid of ordering dependency between <linux/vermagic.h> and
   <linux/module.h> to fix build errors in some network drivers

 - clean up generated headers of host arch with 'make ARCH=um mrproper'

* tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  h8300: ignore vmlinux.lds
  Documentation: kbuild: fix the section title format
  um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/
  arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
  kbuild: fix DT binding schema rule again to avoid needless rebuilds
  scripts/config: allow colons in option strings for sed
2020-04-24 10:39:32 -07:00
Linus Torvalds
9a19562852 AFS miscellany
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Merge tag 'afs-fixes-20200424' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull misc AFS fixes from David Howells:
 "Three miscellaneous fixes to the afs filesystem:

   - Remove some struct members that aren't used, aren't set or aren't
     read, plus a wake up that nothing ever waits for.

   - Actually set the AFS_SERVER_FL_HAVE_EPOCH flag so that the code
     that depends on it can work.

   - Make a couple of waits uninterruptible if they're done for an
     operation that isn't supposed to be interruptible"

* tag 'afs-fixes-20200424' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Make record checking use TASK_UNINTERRUPTIBLE when appropriate
  afs: Fix to actually set AFS_SERVER_FL_HAVE_EPOCH
  afs: Remove some unused bits
2020-04-24 10:32:40 -07:00
Linus Torvalds
b4ecf26ea2 sound fixes for 5.7-rc3
This became a slightly big pull request, as the accumulated ASoC
 fixes are included here.  Some highlights:
 
 - Revert of ASoC DAI startup changes that caused regression on some
   x86 platforms
 
 - Regression fix in HD-audio power management and driver blacklist
 
 - A collection of ASoC DAPM and topology fixes
 
 - Continued USB-audio fixes and quirks
 
 - Lots of small device-specific fixes
 
 - Rockchip S/PDIF DT stuff update for validation issues
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Merge tag 'sound-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This became a slightly big pull request, as the accumulated ASoC fixes
  are included here. Some highlights:

   - Revert of ASoC DAI startup changes that caused regression on some
     x86 platforms

   - Regression fix in HD-audio power management and driver blacklist

   - A collection of ASoC DAPM and topology fixes

   - Continued USB-audio fixes and quirks

   - Lots of small device-specific fixes

   - Rockchip S/PDIF DT stuff update for validation issues"

* tag 'sound-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (51 commits)
  ALSA: hda: Always use jackpoll helper for jack update after resume
  ALSA: hda/realtek - Add new codec supported for ALC245
  ALSA: usb-audio: Fix usb audio refcnt leak when getting spdif
  ALSA: usb-audio: Add connector notifier delegation
  ALSA: usb-audio: Apply async workaround for Scarlett 2i4 2nd gen
  ASoC: wm8960: Fix wrong clock after suspend & resume
  ALSA: usx2y: Fix potential NULL dereference
  ALSA: usb-audio: Add quirk for Focusrite Scarlett 2i2
  ASoC: wm89xx: Add missing dependency
  ASoC: dapm: fixup dapm kcontrol widget
  ASoC: rsnd: Fix "status check failed" spam for multi-SSI
  ASoC: rsnd: Don't treat master SSI in multi SSI setup as parent
  ASoC: meson: gx-card: fix codec-to-codec link setup
  ASoC: meson: axg-card: fix codec-to-codec link setup
  ALSA: usb-audio: Add static mapping table for ALC1220-VB-based mobos
  ALSA: hda: Remove ASUS ROG Zenith from the blacklist
  ALSA: hda/realtek - Fix unexpected init_amp override
  ALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices
  ASoC: SOF: Intel: add min/max channels for SSP on Baytrail/Broadwell
  ASoC: stm32: sai: fix sai probe
  ...
2020-04-24 10:27:43 -07:00
Linus Torvalds
88412a4e00 drm fixes for 5.7-rc3
core:
 - mst: zero pbn when releasing vcpi slots
 
 amdgpu:
 - Fix resume issue on renoir
 - Thermal fix for older CI dGPUs
 - Fix some fallout from dropping drm load/unload callbacks
 
 i915:
 - Tigerlake Workaround - disabling media recompression (Matt)
 - Fix RPS interrupts for right GPU frequency (Chris)
 - HDCP fix prime check (Oliver)
 - Tigerlake Thunderbolt power well fix (Matt)
 - Tigerlake DP link training fixes (Jose)
 - Documentation sphinx build fix (Jani)
 - Fix enable_dpcd_backlight modparam (Lyude)
 
 analogix-dp:
 - binding fix
 
 meson:
 - remove unneeded error message
 
 bindings:
 - fix warnings
 - fix lvds binding
 
 scheduler:
 - thread racing fix
 
 tidss:
 - use after free fix
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Merge tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Weekly regular fixes for drm, The usual rc3 uptick here, but nothing
  too crazy or notable.

  core:
   - mst: zero pbn when releasing vcpi slots

  amdgpu:
   - Fix resume issue on renoir
   - Thermal fix for older CI dGPUs
   - Fix some fallout from dropping drm load/unload callbacks

  i915:
   - Tigerlake Workaround - disabling media recompression (Matt)
   - Fix RPS interrupts for right GPU frequency (Chris)
   - HDCP fix prime check (Oliver)
   - Tigerlake Thunderbolt power well fix (Matt)
   - Tigerlake DP link training fixes (Jose)
   - Documentation sphinx build fix (Jani)
   - Fix enable_dpcd_backlight modparam (Lyude)

  analogix-dp:
   - binding fix

  meson:
   - remove unneeded error message

  bindings:
   - fix warnings
   - fix lvds binding

  scheduler:
   - thread racing fix

  tidss:
   - use after free fix"

* tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm:
  drm/i915/dpcd_bl: Unbreak enable_dpcd_backlight modparam
  drm/i915: fix Sphinx build duplicate label warning
  drm/i915/display: Load DP_TP_CTL/STATUS offset before use it
  drm/i915/tgl: TBT AUX should use TC power well ops
  drm/i915: HDCP: fix Ri prime check done during link check
  drm/i915/gt: Update PMINTRMSK holding fw
  drm/i915/tgl: Add Wa_14010477008:tgl
  drm/tidss: fix crash related to accessing freed memory
  drm/dp_mst: Zero assigned PBN when releasing VCPI slots
  drm/amdgpu/display: give aux i2c buses more meaningful names
  drm/amdgpu/display: fix aux registration (v2)
  drm/amdgpu: Correctly initialize thermal controller for GPUs with Powerplay table v0 (e.g Hawaii)
  drm/amd/powerplay: fix resume failed as smu table initialize early exit
  drm/scheduler: fix drm_sched_get_cleanup_job
  drm/meson: Delete an error message in meson_dw_hdmi_bind()
  drm/bridge: anx6345: set correct BPC for display_info of connector
  dt-bindings: display: allow port and ports in panel-lvds
  dt-bindings: display: xpp055c272: Remove the reg property
  dt-bindings: display: ltk500hd1829: Remove the reg property
  drm/bridge: analogix_dp: Split bind() into probe() and real bind()
2020-04-24 10:20:08 -07:00
David Howells
c4bfda16d1 afs: Make record checking use TASK_UNINTERRUPTIBLE when appropriate
When an operation is meant to be done uninterruptibly (such as
FS.StoreData), we should not be allowing volume and server record checking
to be interrupted.

Fixes: d2ddc776a4 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
2020-04-24 16:33:32 +01:00
David Howells
69cf3978f3 afs: Fix to actually set AFS_SERVER_FL_HAVE_EPOCH
AFS keeps track of the epoch value from the rxrpc protocol to note (a) when
a fileserver appears to have restarted and (b) when different endpoints of
a fileserver do not appear to be associated with the same fileserver
(ie. all probes back from a fileserver from all of its interfaces should
carry the same epoch).

However, the AFS_SERVER_FL_HAVE_EPOCH flag that indicates that we've
received the server's epoch is never set, though it is used.

Fix this to set the flag when we first receive an epoch value from a probe
sent to the filesystem client from the fileserver.

Fixes: 3bf0fb6f33 ("afs: Probe multiple fileservers simultaneously")
Signed-off-by: David Howells <dhowells@redhat.com>
2020-04-24 16:32:49 +01:00
David Howells
be59167c8f afs: Remove some unused bits
Remove three bits:

 (1) afs_server::no_epoch is neither set nor used.

 (2) afs_server::have_result is set and a wakeup is applied to it, but
     nothing looks at it or waits on it.

 (3) afs_vl_dump_edestaddrreq() prints afs_addr_list::probed, but nothing
     sets it for VL servers.

Signed-off-by: David Howells <dhowells@redhat.com>
2020-04-24 16:32:49 +01:00
Rob Herring
8b6b80218b dt-bindings: Fix command line length limit calling dt-mk-schema
As the number of schemas has increased, we're starting to hit the error
"execvp: /bin/sh: Argument list too long". This is due to passing all the
schema files on the command line to dt-mk-schema. It currently is only
with out of tree builds and is intermittent depending on the file path
lengths.

Commit 2ba06cd856 ("kbuild: Always validate DT binding examples") made
hitting this proplem more likely since the example validation now always
gets the full list of schemas.

Fix this by passing the schema file list in a pipe and using xargs. We end
up doing the find twice, but the time is insignificant compared to the
dt-mk-schema time.

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-24 09:28:58 -05:00
Madhuparna Bhowmik
8ca47eb9f9 mac80211: sta_info: Add lockdep condition for RCU list usage
The function sta_info_get_by_idx() uses RCU list primitive.
It is called with  local->sta_mtx held from mac80211/cfg.c.
Add lockdep expression to avoid any false positive RCU list warnings.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Link: https://lore.kernel.org/r/20200409082906.27427-1-madhuparnabhowmik10@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-04-24 11:31:20 +02:00
Johannes Berg
6cb5f3ea46 mac80211: populate debugfs only after cfg80211 init
When fixing the initialization race, we neglected to account for
the fact that debugfs is initialized in wiphy_register(), and
some debugfs things went missing (or rather were rerooted to the
global debugfs root).

Fix this by adding debugfs entries only after wiphy_register().
This requires some changes in the rate control code since it
currently adds debugfs at alloc time, which can no longer be
done after the reordering.

Reported-by: Jouni Malinen <j@w1.fi>
Reported-by: kernel test robot <rong.a.chen@intel.com>
Reported-by: Hauke Mehrtens <hauke@hauke-m.de>
Reported-by: Felix Fietkau <nbd@nbd.name>
Cc: stable@vger.kernel.org
Fixes: 52e04b4ce5 ("mac80211: fix race in ieee80211_register_hw()")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/20200423111344.0e00d3346f12.Iadc76a03a55093d94391fc672e996a458702875d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-04-24 11:30:13 +02:00
Nathan Chancellor
5990cdee68 lib/mpi: Fix building for powerpc with clang
0day reports over and over on an powerpc randconfig with clang:

lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a
inline asm context requiring an l-value: remove the cast or build with
-fheinous-gnu-extensions

Remove the superfluous casts, which have been done previously for x86
and arm32 in commit dea632cadd ("lib/mpi: fix build with clang") and
commit 7b7c1df288 ("lib/mpi/longlong.h: fix building with 32-bit
x86").

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://github.com/ClangBuiltLinux/linux/issues/991
Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com
2020-04-24 13:14:59 +10:00
Dave Airlie
e32b2484b3 A few resources-related fixes (tidss, dp_mst, scheduler), probe fixes and
DT bindings adjustments.
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Merge tag 'drm-misc-fixes-2020-04-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

A few resources-related fixes (tidss, dp_mst, scheduler), probe fixes and
DT bindings adjustments.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200423103224.7hvyr3v7dmuny2bz@gilmour.lan
2020-04-24 10:14:04 +10:00
Dave Airlie
11c5ec788b - Tigerlake Workaround - disabling media recompression (Matt)
- Fix RPS interrupts for right GPU frequency (Chris)
 - HDCP fix prime check (Oliver)
 - Tigerlake Thunderbolt power well fix (Matt)
 - Tigerlake DP link training fixes (Jose)
 - Documentation sphinx build fix (Jani)
 - Fix enable_dpcd_backlight modparam (Lyude)
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Merge tag 'drm-intel-fixes-2020-04-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Tigerlake Workaround - disabling media recompression (Matt)
- Fix RPS interrupts for right GPU frequency (Chris)
- HDCP fix prime check (Oliver)
- Tigerlake Thunderbolt power well fix (Matt)
- Tigerlake DP link training fixes (Jose)
- Documentation sphinx build fix (Jani)
- Fix enable_dpcd_backlight modparam (Lyude)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200423190246.GA1710303@intel.com
2020-04-24 10:08:05 +10:00
Dave Airlie
c2c39adb27 Merge tag 'amd-drm-fixes-5.7-2020-04-22' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.7-2020-04-22:

amdgpu:
- Fix resume issue on renoir
- Thermal fix for older CI dGPUs
- Fix some fallout from dropping drm load/unload callbacks

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200422224647.617724-1-alexander.deucher@amd.com
2020-04-24 10:01:09 +10:00
Doug Berger
a6d0b83f25 net: bcmgenet: correct per TX/RX ring statistics
The change to track net_device_stats per ring to better support SMP
missed updating the rx_dropped member.

The ndo_get_stats method is also needed to combine the results for
ethtool statistics (-S) before filling in the ethtool structure.

Fixes: 37a30b435b ("net: bcmgenet: Track per TX/RX rings statistics")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 16:02:05 -07:00
Jonathan Corbet
9d3cdd446e net: meth: remove spurious copyright text
Evidently, at some point in the pre-githistorious past,
drivers/net/ethernet/sgi/meth.h somehow contained some code from the
"snull" driver from the Linux Device Drivers book.  A comment crediting
that source, asserting copyright ownership by the LDD authors, and imposing
the LDD2 license terms was duly added to the file.

Any code that may have been derived from snull is long gone, and the
distribution terms are not GPL-compatible.  Since the copyright claim is
not based in fact (if it ever was), simply remove it and the distribution
terms as well.

Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
CC: Ralf Baechle <ralf@linux-mips.org>
CC: Kate Stewart <kstewart@linuxfoundation.org>
CC: "Fendt, Oliver" <oliver.fendt@siemens.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 15:59:43 -07:00
Russell King
796a8fa289 net: phy: bcm84881: clear settings on link down
Clear the link partner advertisement, speed, duplex and pause when
the link goes down, as other phylib drivers do.  This avoids the
stale link partner, speed and duplex settings being reported via
ethtool.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 15:55:35 -07:00
Rohit Maheshwari
d97793af11 chcr: Fix CPU hard lockup
Soft lock should be taken in place of hard lock.

Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 15:51:37 -07:00
Xiyu Yang
f35d12971b net/x25: Fix x25_neigh refcnt leak when receiving frame
x25_lapb_receive_frame() invokes x25_get_neigh(), which returns a
reference of the specified x25_neigh object to "nb" with increased
refcnt.

When x25_lapb_receive_frame() returns, local variable "nb" becomes
invalid, so the refcount should be decreased to keep refcount balanced.

The reference counting issue happens in one path of
x25_lapb_receive_frame(). When pskb_may_pull() returns false, the
function forgets to decrease the refcnt increased by x25_get_neigh(),
causing a refcnt leak.

Fix this issue by calling x25_neigh_put() when pskb_may_pull() returns
false.

Fixes: cb101ed2c3 ("x25: Handle undersized/fragmented skbs")
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 15:39:39 -07:00
Bo YU
b4e0f9a926 mptcp/pm_netlink.c : add check for nla_put_in/6_addr
Normal there should be checked for nla_put_in6_addr like other
usage in net.

Detected by CoverityScan, CID# 1461639

Fixes: 01cacb00b3 ("mptcp: add netlink-based PM")
Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 15:38:10 -07:00
Tang Bin
6ed79cec3c net: ethernet: ixp4xx: Add error handling in ixp4xx_eth_probe()
The function ixp4xx_eth_probe() does not perform sufficient error
checking after executing devm_ioremap_resource(), which can result
in crashes if a critical error path is encountered.

Fixes: f458ac4797 ("ARM/net: ixp4xx: Pass ethernet physical base as resource")
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 15:32:45 -07:00
Linus Torvalds
b4f633221f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull SIGCHLD fix from Eric Biederman:
 "Christof Meerwald reported that do_notify_parent has not been
  successfully populating si_pid and si_uid for multi-threaded
  processes.

  This is the one-liner fix. Strictly speaking a one-liner plus
  comment"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signal: Avoid corrupting si_pid and si_uid in do_notify_parent
2020-04-23 13:30:18 -07:00
Vishal Kulkarni
ce22274807 cxgb4: fix adapter crash due to wrong MC size
In the absence of MC1, the size calculation function
cudbg_mem_region_size() was returing wrong MC size and
resulted in adapter crash. This patch adds new argument
to cudbg_mem_region_size() which will have actual size
and returns error to caller in the absence of MC1.

Fixes: a1c69520f7 ("cxgb4: collect MC memory dump")
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>"
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 12:41:09 -07:00
David S. Miller
da0afd1f05 Merge branch 'vxlan-geneve-use-the-correct-nlattr-array-for-extack'
Sabrina Dubroca says:

====================
net: vxlan/geneve: use the correct nlattr array for extack

The ->validate callbacks for vxlan and geneve have a couple of typos
in extack, where the nlattr array for IFLA_* attributes is used
instead of the link-specific one.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 12:39:09 -07:00
Sabrina Dubroca
9a7b5b50de geneve: use the correct nlattr array in NL_SET_ERR_MSG_ATTR
IFLA_GENEVE_* attributes are in the data array, which is correctly
used when fetching the value, but not when setting the extended
ack. Because IFLA_GENEVE_MAX < IFLA_MAX, we avoid out of bounds
array accesses, but we don't provide a pointer to the invalid
attribute to userspace.

Fixes: a025fb5f49 ("geneve: Allow configuration of DF behaviour")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 12:39:09 -07:00
Sabrina Dubroca
cc8e7c69db vxlan: use the correct nlattr array in NL_SET_ERR_MSG_ATTR
IFLA_VXLAN_* attributes are in the data array, which is correctly
used when fetching the value, but not when setting the extended
ack. Because IFLA_VXLAN_MAX < IFLA_MAX, we avoid out of bounds
array accesses, but we don't provide a pointer to the invalid
attribute to userspace.

Fixes: 653ef6a3e4 ("vxlan: change vxlan_[config_]validate() to use netlink_ext_ack for error reporting")
Fixes: b4d3069783 ("vxlan: Allow configuration of DF behaviour")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 12:39:09 -07:00
Dan Carpenter
c391eb8366 mlxsw: Fix some IS_ERR() vs NULL bugs
The mlxsw_sp_acl_rulei_create() function is supposed to return an error
pointer from mlxsw_afa_block_create().  The problem is that these
functions both return NULL instead of error pointers.  Half the callers
expect NULL and half expect error pointers so it could lead to a NULL
dereference on failure.

This patch changes both of them to return error pointers and changes all
the callers which checked for NULL to check for IS_ERR() instead.

Fixes: 4cda7d8d70 ("mlxsw: core: Introduce flexible actions support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 12:34:43 -07:00
Baruch Siach
829e7573c4 net: phy: marvell10g: limit soft reset to 88x3310
The MV_V2_PORT_CTRL_SWRST bit in MV_V2_PORT_CTRL is reserved on 88E2110.
Setting SWRST on 88E2110 breaks packets transfer after interface down/up
cycle.

Fixes: 8f48c2ac85 ("net: marvell10g: soft-reset the PHY when coming out of low power")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23 12:31:41 -07:00
Linus Torvalds
25b1fa8dfb pci-v5.7-fixes-1
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Merge tag 'pci-v5.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - Workaround Apex TPU class code issue that prevents resource
   assignment (Bjorn Helgaas)

 - Update MAINTAINERS to add Rob Herring for native PCI controller
   drivers (Lorenzo Pieralisi)

* tag 'pci-v5.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  MAINTAINERS: Add Rob Herring and remove Andy Murray as PCI reviewers
  PCI: Move Apex Edge TPU class quirk to fix BAR assignment
2020-04-23 11:04:59 -07:00
Linus Torvalds
7adc4b3999 ARM: SoC fixes
A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I found
 after restarting my randconfig build testing that had been dormant for
 a while.
 
 On the Nokia N950/N9 phone, a DT fix is required to address a boot
 regression.
 
 For the bcm283x (Raspberry Pi), two DT fixes address minor issues.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I
  found after restarting my randconfig build testing that had been
  dormant for a while.

  On the Nokia N950/N9 phone, a DT fix is required to address a boot
  regression.

  For the bcm283x (Raspberry Pi), two DT fixes address minor issues"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  soc: imx8: select SOC_BUS
  soc: tegra: fix tegra_pmc_get_suspend_mode definition
  soc: fsl: dpio: avoid stack usage warning
  soc: fsl: dpio: fix incorrect pointer conversions
  ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
  ARM: dts: bcm283x: Disable dsi0 node
  firmware: xilinx: make firmware_debugfs_root static
  drivers: soc: xilinx: fix firmware driver Kconfig dependency
  ARM: dts: bcm283x: Add cells encoding format to firmware bus
  ARM: dts: OMAP3: disable RNG on N950/N9
2020-04-23 09:36:40 -07:00
Linus Torvalds
1ddd873948 Fixes:
- Address several use-after-free and memory leak bugs
 
 - Prevent a backchannel livelock
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Merge tag 'nfsd-5.7-rc-1' of git://git.linux-nfs.org/projects/cel/cel-2.6

Pull nfsd fixes from Chuck Lever:
 "The first set of 5.7-rc fixes for NFS server issues.

  These were all unresolved at the time the 5.7 window opened, and
  needed some additional time to ensure they were correctly addressed.
  They are ready now.

  At the moment I know of one more urgent issue regarding the NFS
  server. A fix has been tested and is under review. I expect to send
  one more pull request, containing this fix (which now consists of 3
  patches).

  Fixes:

   - Address several use-after-free and memory leak bugs

   - Prevent a backchannel livelock"

* tag 'nfsd-5.7-rc-1' of git://git.linux-nfs.org/projects/cel/cel-2.6:
  svcrdma: Fix leak of svc_rdma_recv_ctxt objects
  svcrdma: Fix trace point use-after-free race
  SUNRPC: Fix backchannel RPC soft lockups
  SUNRPC/cache: Fix unsafe traverse caused double-free in cache_purge
  nfsd: memory corruption in nfsd4_lock()
2020-04-23 09:33:43 -07:00
Linus Torvalds
6f8cd037a5 Description for this pull request:
- several bug fixes(broken mount discard option, remount failure, memory leak)
 - add missing MODULE_ALIAS_FS for automatically loading exfat module.
 - set s_time_gran and truncate atime with exfat timestamp granularity.
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Merge tag 'for-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat fixes from Namjae Jeon:

 - several bug fixes(broken mount discard option, remount failure,
   memory leak)

 - add missing MODULE_ALIAS_FS for automatically loading exfat module.

 - set s_time_gran and truncate atime with exfat timestamp granularity.

* tag 'for-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: truncate atimes to 2s granularity
  exfat: properly set s_time_gran
  exfat: remove 'bps' mount-option
  exfat: Unify access to the boot sector
  exfat: add missing MODULE_ALIAS_FS()
  exfat: Fix discard support
2020-04-23 09:31:20 -07:00
Linus Torvalds
3cda77991e remoteproc fixes for v5.7
This fixes a regression in the probe error path of the Qualcomm modem
 remoteproc driver and a mix up of phy_addr_t and dma_addr_t in the
 Mediatek SCP control driver.
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Merge tag 'rproc-v5.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull remoteproc fixes from Bjorn Andersson:
 "This fixes a regression in the probe error path of the Qualcomm modem
  remoteproc driver and a mix up of phy_addr_t and dma_addr_t in the
  Mediatek SCP control driver"

* tag 'rproc-v5.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  remoteproc: mtk_scp: use dma_addr_t for DMA API
  remoteproc: qcom_q6v5_mss: fix q6v5_probe() error paths
  remoteproc: qcom_q6v5_mss: fix a bug in q6v5_probe()
2020-04-23 09:28:15 -07:00
Linus Torvalds
6a40006382 audit/stable-5.7 PR 20200422
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Merge tag 'audit-pr-20200422' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit fix from Paul Moore:
 "One small audit patch fix, fixing a missing length check on input from
  userspace, nothing crazy"

* tag 'audit-pr-20200422' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: check the length of userspace generated audit records
2020-04-23 09:21:53 -07:00
Randy Dunlap
59bff30ad6 Documentation: arm64: fix amu.rst doc warnings
Fix bullet list formatting to eliminate doc warnings:

Documentation/arm64/amu.rst:26: WARNING: Unexpected indentation.
Documentation/arm64/amu.rst:60: WARNING: Unexpected indentation.
Documentation/arm64/amu.rst:81: WARNING: Unexpected indentation.
Documentation/arm64/amu.rst:108: WARNING: Unexpected indentation.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2020-04-23 17:05:22 +01:00
John Oldman
89e7c85026 ata: sata_inic162x fix a spelling issue
Fixed a warning message spelling issue.

Signed-off-by: John Oldman <john.oldman@polehill.co.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-23 09:59:30 -06:00
Damien Le Moal
d205bde78f null_blk: Cleanup zoned device initialization
Move all zoned mode related code from null_blk_main.c to
null_blk_zoned.c, avoiding an ugly #ifdef in the process.
Rename null_zone_init() into null_init_zoned_dev(), null_zone_exit()
into null_free_zoned_dev() and add the new function
null_register_zoned_dev() to finalize the zoned dev setup before
add_disk().

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-23 09:35:09 -06:00
Damien Le Moal
9dd44c7e99 null_blk: Fix zoned command handling
For write operations issued to a null_blk device with zoned mode
enabled, the state and write pointer position of the zone targeted by
the command should be checked before badblocks and memory backing
are handled as the write may be first failed due to, for instance, a
sector position not aligned with the zone write pointer. This order of
checking for errors reflects more accuratly the behavior of physical
zoned devices.

Furthermore, the write pointer position of the target zone should be
incremented only and only if no errors are reported by badblocks and
memory backing handling.

To fix this, introduce the small helper function null_process_cmd()
which execute null_handle_badblocks() and null_handle_memory_backed()
and use this function in null_zone_write() to correctly handle write
requests to zoned null devices depending on the type and state of the
write target zone. Also call this function in null_handle_zoned() to
process read requests to zoned null devices.

null_process_cmd() is called directly from null_handle_cmd() for
regular null devices, resulting in no functional change for these type
of devices. To have symmetric names, the function null_handle_zoned()
is renamed to null_process_zoned_cmd().

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-23 09:35:09 -06:00
Arnd Bergmann
f42ae4cd4c This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.7, please pull the following:
 
 - Nicolas provides a fix for 55c7c06210 ("ARM: dts: bcm283x: Fix vc4's
   firmware bus DMA limitations") which missed adding proper
   #address-cells and #size-cells properties and he also disables the DSI
   node which should have been disabled by default but was not.
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Merge tag 'arm-soc/for-5.7/devicetree-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.7, please pull the following:

- Nicolas provides a fix for 55c7c06210 ("ARM: dts: bcm283x: Fix vc4's
  firmware bus DMA limitations") which missed adding proper
  #address-cells and #size-cells properties and he also disables the DSI
  node which should have been disabled by default but was not.

* tag 'arm-soc/for-5.7/devicetree-fixes' of https://github.com/Broadcom/stblinux:
  ARM: dts: bcm283x: Disable dsi0 node
  ARM: dts: bcm283x: Add cells encoding format to firmware bus

Link: https://lore.kernel.org/r/20200417171725.1084-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-04-23 17:12:48 +02:00
Mike Tipton
9c0c54a8da interconnect: qcom: Fix uninitialized tcs_cmd::wait
Currently, if tcs_cmd_gen is called with commit=false, then
tcs_cmd::wait is left uninitialized. Since the tcs_cmd structures passed
to this function aren't zero-initialized, then we're left with random
wait values. This results in waiting for completion for more commands
than is necessary, depending on what's on the stack at the time.

Removing the unnecessary if-condition fixes this, but add an explicit
memset of the tcs_cmd structure as well to ensure predictable behavior
if more tcs_cmd members are added in the future.

Fixes: 976daac4a1 ("interconnect: qcom: Consolidate interconnect RPMh support")
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200319231021.18108-1-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20200415130327.23059-2-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 16:18:07 +02:00
Greg Kroah-Hartman
2d3008f658 FPGA Manager fixes for 5.7-rc1
Here are two (late) fixes for 5.7-rc1 merge window.
 
 Xu's change addresses an issue with a wrong return value.
 
 Shubhrajyoti's change makes the Zynq FPGA driver return -EPROBE_DEFER on
 
 All patches have been reviewed on the mailing list, and have been in the
 last few linux-next releases (as part of my for-next branch) without issues.
 
 Signed-off-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-linus

Moritz writes:

FPGA Manager fixes for 5.7-rc1

Here are two (late) fixes for 5.7-rc1 merge window.

Xu's change addresses an issue with a wrong return value.

Shubhrajyoti's change makes the Zynq FPGA driver return -EPROBE_DEFER on

All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my for-next branch) without issues.

Signed-off-by: Moritz Fischer <mdf@kernel.org>

* tag 'fpga-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
  fpga: dfl: pci: fix return value of cci_pci_sriov_configure
  fpga: zynq: Remove clk_get error message for probe defer
2020-04-23 16:11:29 +02:00
Andrew Melnychenko
9a9fc42b86 tty: hvc: fix buffer overflow during hvc_alloc().
If there is a lot(more then 16) of virtio-console devices
or virtio_console module is reloaded
- buffers 'vtermnos' and 'cons_ops' are overflowed.
In older kernels it overruns spinlock which leads to kernel freezing:
https://bugzilla.redhat.com/show_bug.cgi?id=1786239

To reproduce the issue, you can try simple script that
loads/unloads module. Something like this:
while [ 1 ]
do
  modprobe virtio_console
  sleep 2
  modprobe -r virtio_console
  sleep 2
done

Description of problem:
Guest get 'Call Trace' when loading module "virtio_console"
and unloading it frequently - clearly reproduced on kernel-4.18.0:

[   81.498208] ------------[ cut here ]------------
[   81.499263] pvqspinlock: lock 0xffffffff92080020 has corrupted value 0xc0774ca0!
[   81.501000] WARNING: CPU: 0 PID: 785 at kernel/locking/qspinlock_paravirt.h:500 __pv_queued_spin_unlock_slowpath+0xc0/0xd0
[   81.503173] Modules linked in: virtio_console fuse xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nft_counter nf_nat_tftp nft_objref nf_conntrack_tftp tun bridge stp llc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 nft_chain_route_ipv6 nft_chain_nat_ipv4 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack nft_chain_route_ipv4 ip6_tables nft_compat ip_set nf_tables nfnetlink sunrpc bochs_drm drm_vram_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pcspkr crct10dif_pclmul crc32_pclmul joydev ghash_clmulni_intel ip_tables xfs libcrc32c sd_mod sg ata_generic ata_piix virtio_net libata crc32c_intel net_failover failover serio_raw virtio_scsi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: virtio_console]
[   81.517019] CPU: 0 PID: 785 Comm: kworker/0:2 Kdump: loaded Not tainted 4.18.0-167.el8.x86_64 #1
[   81.518639] Hardware name: Red Hat KVM, BIOS 1.12.0-5.scrmod+el8.2.0+5159+d8aa4d83 04/01/2014
[   81.520205] Workqueue: events control_work_handler [virtio_console]
[   81.521354] RIP: 0010:__pv_queued_spin_unlock_slowpath+0xc0/0xd0
[   81.522450] Code: 07 00 48 63 7a 10 e8 bf 64 f5 ff 66 90 c3 8b 05 e6 cf d6 01 85 c0 74 01 c3 8b 17 48 89 fe 48 c7 c7 38 4b 29 91 e8 3a 6c fa ff <0f> 0b c3 0f 0b 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48
[   81.525830] RSP: 0018:ffffb51a01ffbd70 EFLAGS: 00010282
[   81.526798] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000
[   81.528110] RDX: ffff9e66f1826480 RSI: ffff9e66f1816a08 RDI: ffff9e66f1816a08
[   81.529437] RBP: ffffffff9153ff10 R08: 000000000000026c R09: 0000000000000053
[   81.530732] R10: 0000000000000000 R11: ffffb51a01ffbc18 R12: ffff9e66cd682200
[   81.532133] R13: ffffffff9153ff10 R14: ffff9e6685569500 R15: ffff9e66cd682000
[   81.533442] FS:  0000000000000000(0000) GS:ffff9e66f1800000(0000) knlGS:0000000000000000
[   81.534914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.535971] CR2: 00005624c55b14d0 CR3: 00000003a023c000 CR4: 00000000003406f0
[   81.537283] Call Trace:
[   81.537763]  __raw_callee_save___pv_queued_spin_unlock_slowpath+0x11/0x20
[   81.539011]  .slowpath+0x9/0xe
[   81.539585]  hvc_alloc+0x25e/0x300
[   81.540237]  init_port_console+0x28/0x100 [virtio_console]
[   81.541251]  handle_control_message.constprop.27+0x1c4/0x310 [virtio_console]
[   81.542546]  control_work_handler+0x70/0x10c [virtio_console]
[   81.543601]  process_one_work+0x1a7/0x3b0
[   81.544356]  worker_thread+0x30/0x390
[   81.545025]  ? create_worker+0x1a0/0x1a0
[   81.545749]  kthread+0x112/0x130
[   81.546358]  ? kthread_flush_work_fn+0x10/0x10
[   81.547183]  ret_from_fork+0x22/0x40
[   81.547842] ---[ end trace aa97649bd16c8655 ]---
[   83.546539] general protection fault: 0000 [#1] SMP NOPTI
[   83.547422] CPU: 5 PID: 3225 Comm: modprobe Kdump: loaded Tainted: G        W        --------- -  - 4.18.0-167.el8.x86_64 #1
[   83.549191] Hardware name: Red Hat KVM, BIOS 1.12.0-5.scrmod+el8.2.0+5159+d8aa4d83 04/01/2014
[   83.550544] RIP: 0010:__pv_queued_spin_lock_slowpath+0x19a/0x2a0
[   83.551504] Code: c4 c1 ea 12 41 be 01 00 00 00 4c 8d 6d 14 41 83 e4 03 8d 42 ff 49 c1 e4 05 48 98 49 81 c4 40 a5 02 00 4c 03 24 c5 60 48 34 91 <49> 89 2c 24 b8 00 80 00 00 eb 15 84 c0 75 0a 41 0f b6 54 24 14 84
[   83.554449] RSP: 0018:ffffb51a0323fdb0 EFLAGS: 00010202
[   83.555290] RAX: 000000000000301c RBX: ffffffff92080020 RCX: 0000000000000001
[   83.556426] RDX: 000000000000301d RSI: 0000000000000000 RDI: 0000000000000000
[   83.557556] RBP: ffff9e66f196a540 R08: 000000000000028a R09: ffff9e66d2757788
[   83.558688] R10: 0000000000000000 R11: 0000000000000000 R12: 646e61725f770b07
[   83.559821] R13: ffff9e66f196a554 R14: 0000000000000001 R15: 0000000000180000
[   83.560958] FS:  00007fd5032e8740(0000) GS:ffff9e66f1940000(0000) knlGS:0000000000000000
[   83.562233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.563149] CR2: 00007fd5022b0da0 CR3: 000000038c334000 CR4: 00000000003406e0

Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200414191503.3471783-1-andrew@daynix.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 16:02:07 +02:00
Jiri Slaby
7127d24372 tty: rocket, avoid OOB access
init_r_port can access pc104 array out of bounds. pc104 is a 2D array
defined to have 4 members. Each member has 8 submembers.
* we can have more than 4 (PCI) boards, i.e. [board] can be OOB
* line is not modulo-ed by anything, so the first line on the second
  board can be 4, on the 3rd 12 or alike (depending on previously
  registered boards). It's zero only on the first line of the first
  board. So even [line] can be OOB, quite soon (with the 2nd registered
  board already).

This code is broken for ages, so just avoid the OOB accesses and don't
try to fix it as we would need to find out the correct line number. Use
the default: RS232, if we are out.

Generally, if anyone needs to set the interface types, a module parameter
is past the last thing that should be used for this purpose. The
parameters' description says it's for ISA cards anyway.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable <stable@vger.kernel.org>
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/r/20200417105959.15201-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 15:48:53 +02:00
Zou Wei
580d952e44 tty: serial: bcm63xx: fix missing clk_put() in bcm63xx_uart
This patch fixes below error reported by coccicheck

drivers/tty/serial/bcm63xx_uart.c:848:2-8: ERROR: missing clk_put;
clk_get on line 842 and execution via conditional on line 846

Fixes: ab4382d274 ("tty: move drivers/serial/ to drivers/tty/serial/")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1587472306-105155-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 15:48:53 +02:00
Nicolas Pitre
2717769e20 vt: don't hardcode the mem allocation upper bound
The code in vc_do_resize() bounds the memory allocation size to avoid
exceeding MAX_ORDER down the kzalloc() call chain and generating a
runtime warning triggerable from user space. However, not only is it
unwise to use a literal value here, but MAX_ORDER may also be
configurable based on CONFIG_FORCE_MAX_ZONEORDER.
Let's use KMALLOC_MAX_SIZE instead.

Note that prior commit bb1107f7c6 ("mm, slab: make sure that
KMALLOC_MAX_SIZE will fit into MAX_ORDER") the KMALLOC_MAX_SIZE value
could not be relied upon.

Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Cc: <stable@vger.kernel.org> # v4.10+

Link: https://lore.kernel.org/r/nycvar.YSQ.7.76.2003281702410.2671@knanqh.ubzr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 15:46:31 +02:00